Chongqing is the largest municipality in southwest China. It is a modern port city on the upper reaches of the Yangtze River at the confluence of the Yangtze and Jialing Rivers. With an area of 31, 800 square miles (82,400 square kilometers), it shares borders with provinces of Hubei, Hunan, Guizhou, Sichuan, and Shaanxi.
As China’s fourth municipality after Beijing, Shanghai, and Tianjin, Chongqing has maintained rapid economic development while preserving a wonderful natural environment. Known as the 'Mountain City', it has a wavy terrain and encompasses a wealth of water reserves, mineral resources, dense forests, and abundant flora and fauna.
The city attracts visitors from home and abroad for its natural wonders and cultural heritage. As a common starting port for the Yangtze River cruise, tourists can go for a downstream tour to the magnificent Three Gorges.
More information about Chongiqng, you can refer to the following link: https://www.travelchinaguide.com/cityguides/chongqing.htm